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| author | Dexuan Cui <dexuan.cui@intel.com> | 2009-12-07 13:03:23 +0800 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-12-16 13:37:52 -0800 |
| commit | c763e7b58f71833e6cb7b05493eb1adda4811b08 (patch) | |
| tree | 0fb92e114a0762da1d3f910506bf9c6e2bf6328b | |
| parent | aeb30016fec3378c543cae33654c2144277fe674 (diff) | |
| download | lwn-c763e7b58f71833e6cb7b05493eb1adda4811b08.tar.gz lwn-c763e7b58f71833e6cb7b05493eb1adda4811b08.zip | |
PCI: add Intel 82599 Virtual Function specific reset method
Handle device specific timeout and use FLR.
Signed-off-by: Yu Zhao <yu.zhao@intel.com>
Signed-off-by: Dexuan Cui <dexuan.cui@intel.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
| -rw-r--r-- | drivers/pci/quirks.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index cf96776d4bbf..8726698866b1 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2664,7 +2664,29 @@ static int reset_intel_generic_dev(struct pci_dev *dev, int probe) } } +static int reset_intel_82599_sfp_virtfn(struct pci_dev *dev, int probe) +{ + int pos; + + pos = pci_find_capability(dev, PCI_CAP_ID_EXP); + if (!pos) + return -ENOTTY; + + if (probe) + return 0; + + pci_write_config_word(dev, pos + PCI_EXP_DEVCTL, + PCI_EXP_DEVCTL_BCR_FLR); + msleep(100); + + return 0; +} + +#define PCI_DEVICE_ID_INTEL_82599_SFP_VF 0x10ed + struct pci_dev_reset_methods pci_dev_reset_methods[] = { + { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82599_SFP_VF, + reset_intel_82599_sfp_virtfn }, { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, reset_intel_generic_dev }, { 0 } |